Home / 6,748.48-9,308.20-4,479.40

Finding the Fourth Proportional to 6,748.48, 9,308.20 and 4,479.40

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Solution

The fourth proportional to 6,748.48, 9,308.20 and 4,479.40 is: 6,178.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.48 : 9,308.20 = 4,479.40 : x
  2. Step 2: Convert to fraction form
    6,748.48/9,308.20 = 4,479.40/x
  3. Step 3: Cross multiply
    6,748.48x = 9,308.20 × 4,479.40
  4. Step 4: Simplify right side
    6,748.48x = 41,695,151.08
  5. Step 5: Solve for x
    x = 41,695,151.08/6,748.48
  6. Step 6: Final answer
    x = 6,178.45

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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.