Home / 4,705.20-7,055.10-1,417.68

Finding the Fourth Proportional to 4,705.20, 7,055.10 and 1,417.68

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Solution

The fourth proportional to 4,705.20, 7,055.10 and 1,417.68 is: 2,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,705.20 : 7,055.10 = 1,417.68 : x
  2. Step 2: Convert to fraction form
    4,705.20/7,055.10 = 1,417.68/x
  3. Step 3: Cross multiply
    4,705.20x = 7,055.10 × 1,417.68
  4. Step 4: Simplify right side
    4,705.20x = 10,001,874.17
  5. Step 5: Solve for x
    x = 10,001,874.17/4,705.20
  6. Step 6: Final answer
    x = 2,125.71

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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.