Home / 5,337.10-7,365.05-2,979.19

Finding the Fourth Proportional to 5,337.10, 7,365.05 and 2,979.19

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Solution

The fourth proportional to 5,337.10, 7,365.05 and 2,979.19 is: 4,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,337.10 : 7,365.05 = 2,979.19 : x
  2. Step 2: Convert to fraction form
    5,337.10/7,365.05 = 2,979.19/x
  3. Step 3: Cross multiply
    5,337.10x = 7,365.05 × 2,979.19
  4. Step 4: Simplify right side
    5,337.10x = 21,941,868.41
  5. Step 5: Solve for x
    x = 21,941,868.41/5,337.10
  6. Step 6: Final answer
    x = 4,111.20

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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.