Home / 7,927.29-10,938.11-5,406.57

Finding the Fourth Proportional to 7,927.29, 10,938.11 and 5,406.57

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Solution

The fourth proportional to 7,927.29, 10,938.11 and 5,406.57 is: 7,460.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,927.29 : 10,938.11 = 5,406.57 : x
  2. Step 2: Convert to fraction form
    7,927.29/10,938.11 = 5,406.57/x
  3. Step 3: Cross multiply
    7,927.29x = 10,938.11 × 5,406.57
  4. Step 4: Simplify right side
    7,927.29x = 59,137,630.35
  5. Step 5: Solve for x
    x = 59,137,630.35/7,927.29
  6. Step 6: Final answer
    x = 7,460.01

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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.