Home / 4,387.36-6,543.56-4,319.68

Finding the Fourth Proportional to 4,387.36, 6,543.56 and 4,319.68

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Solution

The fourth proportional to 4,387.36, 6,543.56 and 4,319.68 is: 6,442.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.36 : 6,543.56 = 4,319.68 : x
  2. Step 2: Convert to fraction form
    4,387.36/6,543.56 = 4,319.68/x
  3. Step 3: Cross multiply
    4,387.36x = 6,543.56 × 4,319.68
  4. Step 4: Simplify right side
    4,387.36x = 28,266,085.26
  5. Step 5: Solve for x
    x = 28,266,085.26/4,387.36
  6. Step 6: Final answer
    x = 6,442.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.