Home / 7,962.93-10,987.89-4,377.30

Finding the Fourth Proportional to 7,962.93, 10,987.89 and 4,377.30

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Solution

The fourth proportional to 7,962.93, 10,987.89 and 4,377.30 is: 6,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.93 : 10,987.89 = 4,377.30 : x
  2. Step 2: Convert to fraction form
    7,962.93/10,987.89 = 4,377.30/x
  3. Step 3: Cross multiply
    7,962.93x = 10,987.89 × 4,377.30
  4. Step 4: Simplify right side
    7,962.93x = 48,097,295.08
  5. Step 5: Solve for x
    x = 48,097,295.08/7,962.93
  6. Step 6: Final answer
    x = 6,040.15

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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.