Home / 7,451.28-10,284.02-4,309.28

Finding the Fourth Proportional to 7,451.28, 10,284.02 and 4,309.28

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Solution

The fourth proportional to 7,451.28, 10,284.02 and 4,309.28 is: 5,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.28 : 10,284.02 = 4,309.28 : x
  2. Step 2: Convert to fraction form
    7,451.28/10,284.02 = 4,309.28/x
  3. Step 3: Cross multiply
    7,451.28x = 10,284.02 × 4,309.28
  4. Step 4: Simplify right side
    7,451.28x = 44,316,721.71
  5. Step 5: Solve for x
    x = 44,316,721.71/7,451.28
  6. Step 6: Final answer
    x = 5,947.53

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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.