Home / 5,345.60-7,376.91-2,988.19

Finding the Fourth Proportional to 5,345.60, 7,376.91 and 2,988.19

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Solution

The fourth proportional to 5,345.60, 7,376.91 and 2,988.19 is: 4,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.60 : 7,376.91 = 2,988.19 : x
  2. Step 2: Convert to fraction form
    5,345.60/7,376.91 = 2,988.19/x
  3. Step 3: Cross multiply
    5,345.60x = 7,376.91 × 2,988.19
  4. Step 4: Simplify right side
    5,345.60x = 22,043,606.71
  5. Step 5: Solve for x
    x = 22,043,606.71/5,345.60
  6. Step 6: Final answer
    x = 4,123.70

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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.