Home / 7,500.81-10,345.37-4,513.53

Finding the Fourth Proportional to 7,500.81, 10,345.37 and 4,513.53

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Solution

The fourth proportional to 7,500.81, 10,345.37 and 4,513.53 is: 6,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.81 : 10,345.37 = 4,513.53 : x
  2. Step 2: Convert to fraction form
    7,500.81/10,345.37 = 4,513.53/x
  3. Step 3: Cross multiply
    7,500.81x = 10,345.37 × 4,513.53
  4. Step 4: Simplify right side
    7,500.81x = 46,694,115.29
  5. Step 5: Solve for x
    x = 46,694,115.29/7,500.81
  6. Step 6: Final answer
    x = 6,225.21

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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.