Home / 5,897.16-8,139.60-3,657.72

Finding the Fourth Proportional to 5,897.16, 8,139.60 and 3,657.72

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Solution

The fourth proportional to 5,897.16, 8,139.60 and 3,657.72 is: 5,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,897.16 : 8,139.60 = 3,657.72 : x
  2. Step 2: Convert to fraction form
    5,897.16/8,139.60 = 3,657.72/x
  3. Step 3: Cross multiply
    5,897.16x = 8,139.60 × 3,657.72
  4. Step 4: Simplify right side
    5,897.16x = 29,772,377.71
  5. Step 5: Solve for x
    x = 29,772,377.71/5,897.16
  6. Step 6: Final answer
    x = 5,048.60

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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.