Home / 5,445.60-7,513.76-3,206.66

Finding the Fourth Proportional to 5,445.60, 7,513.76 and 3,206.66

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Solution

The fourth proportional to 5,445.60, 7,513.76 and 3,206.66 is: 4,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.60 : 7,513.76 = 3,206.66 : x
  2. Step 2: Convert to fraction form
    5,445.60/7,513.76 = 3,206.66/x
  3. Step 3: Cross multiply
    5,445.60x = 7,513.76 × 3,206.66
  4. Step 4: Simplify right side
    5,445.60x = 24,094,036.07
  5. Step 5: Solve for x
    x = 24,094,036.07/5,445.60
  6. Step 6: Final answer
    x = 4,424.50

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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.