Home / 5,087.24-7,631.16-1,577.57

Finding the Fourth Proportional to 5,087.24, 7,631.16 and 1,577.57

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Solution

The fourth proportional to 5,087.24, 7,631.16 and 1,577.57 is: 2,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.24 : 7,631.16 = 1,577.57 : x
  2. Step 2: Convert to fraction form
    5,087.24/7,631.16 = 1,577.57/x
  3. Step 3: Cross multiply
    5,087.24x = 7,631.16 × 1,577.57
  4. Step 4: Simplify right side
    5,087.24x = 12,038,681.19
  5. Step 5: Solve for x
    x = 12,038,681.19/5,087.24
  6. Step 6: Final answer
    x = 2,366.45

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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.