Home / 5,431.25-8,134.28-4,631.93

Finding the Fourth Proportional to 5,431.25, 8,134.28 and 4,631.93

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Solution

The fourth proportional to 5,431.25, 8,134.28 and 4,631.93 is: 6,937.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.25 : 8,134.28 = 4,631.93 : x
  2. Step 2: Convert to fraction form
    5,431.25/8,134.28 = 4,631.93/x
  3. Step 3: Cross multiply
    5,431.25x = 8,134.28 × 4,631.93
  4. Step 4: Simplify right side
    5,431.25x = 37,677,386.47
  5. Step 5: Solve for x
    x = 37,677,386.47/5,431.25
  6. Step 6: Final answer
    x = 6,937.15

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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.