Home / 7,962.64-10,989.48-4,818.88

Finding the Fourth Proportional to 7,962.64, 10,989.48 and 4,818.88

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Solution

The fourth proportional to 7,962.64, 10,989.48 and 4,818.88 is: 6,650.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.64 : 10,989.48 = 4,818.88 : x
  2. Step 2: Convert to fraction form
    7,962.64/10,989.48 = 4,818.88/x
  3. Step 3: Cross multiply
    7,962.64x = 10,989.48 × 4,818.88
  4. Step 4: Simplify right side
    7,962.64x = 52,956,985.38
  5. Step 5: Solve for x
    x = 52,956,985.38/7,962.64
  6. Step 6: Final answer
    x = 6,650.68

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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.