Home / 7,962.48-10,990.08-4,427.04

Finding the Fourth Proportional to 7,962.48, 10,990.08 and 4,427.04

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Solution

The fourth proportional to 7,962.48, 10,990.08 and 4,427.04 is: 6,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.48 : 10,990.08 = 4,427.04 : x
  2. Step 2: Convert to fraction form
    7,962.48/10,990.08 = 4,427.04/x
  3. Step 3: Cross multiply
    7,962.48x = 10,990.08 × 4,427.04
  4. Step 4: Simplify right side
    7,962.48x = 48,653,523.76
  5. Step 5: Solve for x
    x = 48,653,523.76/7,962.48
  6. Step 6: Final answer
    x = 6,110.35

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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.