Home / 8,812.74-12,161.66-5,036.40

Finding the Fourth Proportional to 8,812.74, 12,161.66 and 5,036.40

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Solution

The fourth proportional to 8,812.74, 12,161.66 and 5,036.40 is: 6,950.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.74 : 12,161.66 = 5,036.40 : x
  2. Step 2: Convert to fraction form
    8,812.74/12,161.66 = 5,036.40/x
  3. Step 3: Cross multiply
    8,812.74x = 12,161.66 × 5,036.40
  4. Step 4: Simplify right side
    8,812.74x = 61,250,984.42
  5. Step 5: Solve for x
    x = 61,250,984.42/8,812.74
  6. Step 6: Final answer
    x = 6,950.28

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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.