Home / 7,928.74-10,937.01-4,905.04

Finding the Fourth Proportional to 7,928.74, 10,937.01 and 4,905.04

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Solution

The fourth proportional to 7,928.74, 10,937.01 and 4,905.04 is: 6,766.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,928.74 : 10,937.01 = 4,905.04 : x
  2. Step 2: Convert to fraction form
    7,928.74/10,937.01 = 4,905.04/x
  3. Step 3: Cross multiply
    7,928.74x = 10,937.01 × 4,905.04
  4. Step 4: Simplify right side
    7,928.74x = 53,646,471.53
  5. Step 5: Solve for x
    x = 53,646,471.53/7,928.74
  6. Step 6: Final answer
    x = 6,766.08

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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.