Home / 5,386.42-7,436.94-4,125.25

Finding the Fourth Proportional to 5,386.42, 7,436.94 and 4,125.25

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Solution

The fourth proportional to 5,386.42, 7,436.94 and 4,125.25 is: 5,695.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.42 : 7,436.94 = 4,125.25 : x
  2. Step 2: Convert to fraction form
    5,386.42/7,436.94 = 4,125.25/x
  3. Step 3: Cross multiply
    5,386.42x = 7,436.94 × 4,125.25
  4. Step 4: Simplify right side
    5,386.42x = 30,679,236.74
  5. Step 5: Solve for x
    x = 30,679,236.74/5,386.42
  6. Step 6: Final answer
    x = 5,695.66

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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.