Home / 9,290.41-12,820.68-5,041.48

Finding the Fourth Proportional to 9,290.41, 12,820.68 and 5,041.48

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Solution

The fourth proportional to 9,290.41, 12,820.68 and 5,041.48 is: 6,957.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.41 : 12,820.68 = 5,041.48 : x
  2. Step 2: Convert to fraction form
    9,290.41/12,820.68 = 5,041.48/x
  3. Step 3: Cross multiply
    9,290.41x = 12,820.68 × 5,041.48
  4. Step 4: Simplify right side
    9,290.41x = 64,635,201.81
  5. Step 5: Solve for x
    x = 64,635,201.81/9,290.41
  6. Step 6: Final answer
    x = 6,957.20

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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.