Home / 7,528.04-10,388.43-4,545.62

Finding the Fourth Proportional to 7,528.04, 10,388.43 and 4,545.62

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Solution

The fourth proportional to 7,528.04, 10,388.43 and 4,545.62 is: 6,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.04 : 10,388.43 = 4,545.62 : x
  2. Step 2: Convert to fraction form
    7,528.04/10,388.43 = 4,545.62/x
  3. Step 3: Cross multiply
    7,528.04x = 10,388.43 × 4,545.62
  4. Step 4: Simplify right side
    7,528.04x = 47,221,855.18
  5. Step 5: Solve for x
    x = 47,221,855.18/7,528.04
  6. Step 6: Final answer
    x = 6,272.80

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.