Home / 5,290.65-7,925.21-3,436.14

Finding the Fourth Proportional to 5,290.65, 7,925.21 and 3,436.14

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Solution

The fourth proportional to 5,290.65, 7,925.21 and 3,436.14 is: 5,147.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.65 : 7,925.21 = 3,436.14 : x
  2. Step 2: Convert to fraction form
    5,290.65/7,925.21 = 3,436.14/x
  3. Step 3: Cross multiply
    5,290.65x = 7,925.21 × 3,436.14
  4. Step 4: Simplify right side
    5,290.65x = 27,232,113.91
  5. Step 5: Solve for x
    x = 27,232,113.91/5,290.65
  6. Step 6: Final answer
    x = 5,147.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.