Home / 7,939.02-10,962.36-4,959.84

Finding the Fourth Proportional to 7,939.02, 10,962.36 and 4,959.84

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Solution

The fourth proportional to 7,939.02, 10,962.36 and 4,959.84 is: 6,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.02 : 10,962.36 = 4,959.84 : x
  2. Step 2: Convert to fraction form
    7,939.02/10,962.36 = 4,959.84/x
  3. Step 3: Cross multiply
    7,939.02x = 10,962.36 × 4,959.84
  4. Step 4: Simplify right side
    7,939.02x = 54,371,551.62
  5. Step 5: Solve for x
    x = 54,371,551.62/7,939.02
  6. Step 6: Final answer
    x = 6,848.65

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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.