Home / 4,687.20-7,024.32-4,547.04

Finding the Fourth Proportional to 4,687.20, 7,024.32 and 4,547.04

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Solution

The fourth proportional to 4,687.20, 7,024.32 and 4,547.04 is: 6,814.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.20 : 7,024.32 = 4,547.04 : x
  2. Step 2: Convert to fraction form
    4,687.20/7,024.32 = 4,547.04/x
  3. Step 3: Cross multiply
    4,687.20x = 7,024.32 × 4,547.04
  4. Step 4: Simplify right side
    4,687.20x = 31,939,864.01
  5. Step 5: Solve for x
    x = 31,939,864.01/4,687.20
  6. Step 6: Final answer
    x = 6,814.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.