Home / 9,117.83-12,576.36-5,582.79

Finding the Fourth Proportional to 9,117.83, 12,576.36 and 5,582.79

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Solution

The fourth proportional to 9,117.83, 12,576.36 and 5,582.79 is: 7,700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.83 : 12,576.36 = 5,582.79 : x
  2. Step 2: Convert to fraction form
    9,117.83/12,576.36 = 5,582.79/x
  3. Step 3: Cross multiply
    9,117.83x = 12,576.36 × 5,582.79
  4. Step 4: Simplify right side
    9,117.83x = 70,211,176.84
  5. Step 5: Solve for x
    x = 70,211,176.84/9,117.83
  6. Step 6: Final answer
    x = 7,700.43

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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.