Home / 7,530.29-10,391.54-4,547.87

Finding the Fourth Proportional to 7,530.29, 10,391.54 and 4,547.87

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Solution

The fourth proportional to 7,530.29, 10,391.54 and 4,547.87 is: 6,275.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.29 : 10,391.54 = 4,547.87 : x
  2. Step 2: Convert to fraction form
    7,530.29/10,391.54 = 4,547.87/x
  3. Step 3: Cross multiply
    7,530.29x = 10,391.54 × 4,547.87
  4. Step 4: Simplify right side
    7,530.29x = 47,259,373.02
  5. Step 5: Solve for x
    x = 47,259,373.02/7,530.29
  6. Step 6: Final answer
    x = 6,275.90

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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.