Home / 7,948.45-10,962.60-5,557.63

Finding the Fourth Proportional to 7,948.45, 10,962.60 and 5,557.63

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Solution

The fourth proportional to 7,948.45, 10,962.60 and 5,557.63 is: 7,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.45 : 10,962.60 = 5,557.63 : x
  2. Step 2: Convert to fraction form
    7,948.45/10,962.60 = 5,557.63/x
  3. Step 3: Cross multiply
    7,948.45x = 10,962.60 × 5,557.63
  4. Step 4: Simplify right side
    7,948.45x = 60,926,074.64
  5. Step 5: Solve for x
    x = 60,926,074.64/7,948.45
  6. Step 6: Final answer
    x = 7,665.15

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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.