Home / 5,431.16-7,490.53-4,565.54

Finding the Fourth Proportional to 5,431.16, 7,490.53 and 4,565.54

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Solution

The fourth proportional to 5,431.16, 7,490.53 and 4,565.54 is: 6,296.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.16 : 7,490.53 = 4,565.54 : x
  2. Step 2: Convert to fraction form
    5,431.16/7,490.53 = 4,565.54/x
  3. Step 3: Cross multiply
    5,431.16x = 7,490.53 × 4,565.54
  4. Step 4: Simplify right side
    5,431.16x = 34,198,314.34
  5. Step 5: Solve for x
    x = 34,198,314.34/5,431.16
  6. Step 6: Final answer
    x = 6,296.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.