Home / 8,926.62-12,319.47-4,948.91

Finding the Fourth Proportional to 8,926.62, 12,319.47 and 4,948.91

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Solution

The fourth proportional to 8,926.62, 12,319.47 and 4,948.91 is: 6,829.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,926.62 : 12,319.47 = 4,948.91 : x
  2. Step 2: Convert to fraction form
    8,926.62/12,319.47 = 4,948.91/x
  3. Step 3: Cross multiply
    8,926.62x = 12,319.47 × 4,948.91
  4. Step 4: Simplify right side
    8,926.62x = 60,967,988.26
  5. Step 5: Solve for x
    x = 60,967,988.26/8,926.62
  6. Step 6: Final answer
    x = 6,829.91

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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.