Home / 9,271.18-12,794.43-5,079.70

Finding the Fourth Proportional to 9,271.18, 12,794.43 and 5,079.70

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Solution

The fourth proportional to 9,271.18, 12,794.43 and 5,079.70 is: 7,010.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271.18 : 12,794.43 = 5,079.70 : x
  2. Step 2: Convert to fraction form
    9,271.18/12,794.43 = 5,079.70/x
  3. Step 3: Cross multiply
    9,271.18x = 12,794.43 × 5,079.70
  4. Step 4: Simplify right side
    9,271.18x = 64,991,866.07
  5. Step 5: Solve for x
    x = 64,991,866.07/9,271.18
  6. Step 6: Final answer
    x = 7,010.10

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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.