Home / 5,577.40-8,366.05-1,417.42

Finding the Fourth Proportional to 5,577.40, 8,366.05 and 1,417.42

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Solution

The fourth proportional to 5,577.40, 8,366.05 and 1,417.42 is: 2,126.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,577.40 : 8,366.05 = 1,417.42 : x
  2. Step 2: Convert to fraction form
    5,577.40/8,366.05 = 1,417.42/x
  3. Step 3: Cross multiply
    5,577.40x = 8,366.05 × 1,417.42
  4. Step 4: Simplify right side
    5,577.40x = 11,858,206.59
  5. Step 5: Solve for x
    x = 11,858,206.59/5,577.40
  6. Step 6: Final answer
    x = 2,126.12

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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.