Home / 6,939.12-9,572.58-5,047.77

Finding the Fourth Proportional to 6,939.12, 9,572.58 and 5,047.77

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Solution

The fourth proportional to 6,939.12, 9,572.58 and 5,047.77 is: 6,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.12 : 9,572.58 = 5,047.77 : x
  2. Step 2: Convert to fraction form
    6,939.12/9,572.58 = 5,047.77/x
  3. Step 3: Cross multiply
    6,939.12x = 9,572.58 × 5,047.77
  4. Step 4: Simplify right side
    6,939.12x = 48,320,182.15
  5. Step 5: Solve for x
    x = 48,320,182.15/6,939.12
  6. Step 6: Final answer
    x = 6,963.45

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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.