Home / 9,847.76-13,590.02-5,371.48

Finding the Fourth Proportional to 9,847.76, 13,590.02 and 5,371.48

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Solution

The fourth proportional to 9,847.76, 13,590.02 and 5,371.48 is: 7,412.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,847.76 : 13,590.02 = 5,371.48 : x
  2. Step 2: Convert to fraction form
    9,847.76/13,590.02 = 5,371.48/x
  3. Step 3: Cross multiply
    9,847.76x = 13,590.02 × 5,371.48
  4. Step 4: Simplify right side
    9,847.76x = 72,998,520.63
  5. Step 5: Solve for x
    x = 72,998,520.63/9,847.76
  6. Step 6: Final answer
    x = 7,412.70

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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.