Home / 7,445.99-10,276.28-4,259.57

Finding the Fourth Proportional to 7,445.99, 10,276.28 and 4,259.57

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Solution

The fourth proportional to 7,445.99, 10,276.28 and 4,259.57 is: 5,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,445.99 : 10,276.28 = 4,259.57 : x
  2. Step 2: Convert to fraction form
    7,445.99/10,276.28 = 4,259.57/x
  3. Step 3: Cross multiply
    7,445.99x = 10,276.28 × 4,259.57
  4. Step 4: Simplify right side
    7,445.99x = 43,772,538.39
  5. Step 5: Solve for x
    x = 43,772,538.39/7,445.99
  6. Step 6: Final answer
    x = 5,878.68

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Half scale
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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.