Home / 7,835.04-10,812.70-4,690.62

Finding the Fourth Proportional to 7,835.04, 10,812.70 and 4,690.62

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Solution

The fourth proportional to 7,835.04, 10,812.70 and 4,690.62 is: 6,473.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835.04 : 10,812.70 = 4,690.62 : x
  2. Step 2: Convert to fraction form
    7,835.04/10,812.70 = 4,690.62/x
  3. Step 3: Cross multiply
    7,835.04x = 10,812.70 × 4,690.62
  4. Step 4: Simplify right side
    7,835.04x = 50,718,266.87
  5. Step 5: Solve for x
    x = 50,718,266.87/7,835.04
  6. Step 6: Final answer
    x = 6,473.26

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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.