Home / 8,417.60-12,624.56-4,900.16

Finding the Fourth Proportional to 8,417.60, 12,624.56 and 4,900.16

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Solution

The fourth proportional to 8,417.60, 12,624.56 and 4,900.16 is: 7,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.60 : 12,624.56 = 4,900.16 : x
  2. Step 2: Convert to fraction form
    8,417.60/12,624.56 = 4,900.16/x
  3. Step 3: Cross multiply
    8,417.60x = 12,624.56 × 4,900.16
  4. Step 4: Simplify right side
    8,417.60x = 61,862,363.93
  5. Step 5: Solve for x
    x = 61,862,363.93/8,417.60
  6. Step 6: Final answer
    x = 7,349.17

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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.