Home / 10,484.40-15,727.60-2,693.28

Finding the Fourth Proportional to 10,484.40, 15,727.60 and 2,693.28

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Solution

The fourth proportional to 10,484.40, 15,727.60 and 2,693.28 is: 4,040.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,484.40 : 15,727.60 = 2,693.28 : x
  2. Step 2: Convert to fraction form
    10,484.40/15,727.60 = 2,693.28/x
  3. Step 3: Cross multiply
    10,484.40x = 15,727.60 × 2,693.28
  4. Step 4: Simplify right side
    10,484.40x = 42,358,830.53
  5. Step 5: Solve for x
    x = 42,358,830.53/10,484.40
  6. Step 6: Final answer
    x = 4,040.18

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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.