Home / 9,117.65-12,576.10-5,582.60

Finding the Fourth Proportional to 9,117.65, 12,576.10 and 5,582.60

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Solution

The fourth proportional to 9,117.65, 12,576.10 and 5,582.60 is: 7,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.65 : 12,576.10 = 5,582.60 : x
  2. Step 2: Convert to fraction form
    9,117.65/12,576.10 = 5,582.60/x
  3. Step 3: Cross multiply
    9,117.65x = 12,576.10 × 5,582.60
  4. Step 4: Simplify right side
    9,117.65x = 70,207,335.86
  5. Step 5: Solve for x
    x = 70,207,335.86/9,117.65
  6. Step 6: Final answer
    x = 7,700.16

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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.