Home / 7,854.58-10,839.56-4,498.48

Finding the Fourth Proportional to 7,854.58, 10,839.56 and 4,498.48

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Solution

The fourth proportional to 7,854.58, 10,839.56 and 4,498.48 is: 6,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.58 : 10,839.56 = 4,498.48 : x
  2. Step 2: Convert to fraction form
    7,854.58/10,839.56 = 4,498.48/x
  3. Step 3: Cross multiply
    7,854.58x = 10,839.56 × 4,498.48
  4. Step 4: Simplify right side
    7,854.58x = 48,761,543.87
  5. Step 5: Solve for x
    x = 48,761,543.87/7,854.58
  6. Step 6: Final answer
    x = 6,208.04

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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.