Home / 7,156.89-9,876.38-4,013.08

Finding the Fourth Proportional to 7,156.89, 9,876.38 and 4,013.08

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Solution

The fourth proportional to 7,156.89, 9,876.38 and 4,013.08 is: 5,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.89 : 9,876.38 = 4,013.08 : x
  2. Step 2: Convert to fraction form
    7,156.89/9,876.38 = 4,013.08/x
  3. Step 3: Cross multiply
    7,156.89x = 9,876.38 × 4,013.08
  4. Step 4: Simplify right side
    7,156.89x = 39,634,680.87
  5. Step 5: Solve for x
    x = 39,634,680.87/7,156.89
  6. Step 6: Final answer
    x = 5,537.98

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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.