Home / 5,345.04-7,375.26-2,987.19

Finding the Fourth Proportional to 5,345.04, 7,375.26 and 2,987.19

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Solution

The fourth proportional to 5,345.04, 7,375.26 and 2,987.19 is: 4,121.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,345.04 : 7,375.26 = 2,987.19 : x
  2. Step 2: Convert to fraction form
    5,345.04/7,375.26 = 2,987.19/x
  3. Step 3: Cross multiply
    5,345.04x = 7,375.26 × 2,987.19
  4. Step 4: Simplify right side
    5,345.04x = 22,031,302.92
  5. Step 5: Solve for x
    x = 22,031,302.92/5,345.04
  6. Step 6: Final answer
    x = 4,121.82

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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.