Home / 6,287.40-8,677.26-4,296.42

Finding the Fourth Proportional to 6,287.40, 8,677.26 and 4,296.42

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Solution

The fourth proportional to 6,287.40, 8,677.26 and 4,296.42 is: 5,929.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.40 : 8,677.26 = 4,296.42 : x
  2. Step 2: Convert to fraction form
    6,287.40/8,677.26 = 4,296.42/x
  3. Step 3: Cross multiply
    6,287.40x = 8,677.26 × 4,296.42
  4. Step 4: Simplify right side
    6,287.40x = 37,281,153.41
  5. Step 5: Solve for x
    x = 37,281,153.41/6,287.40
  6. Step 6: Final answer
    x = 5,929.50

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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.