Home / 8,343.16-11,515.86-4,988.26

Finding the Fourth Proportional to 8,343.16, 11,515.86 and 4,988.26

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Solution

The fourth proportional to 8,343.16, 11,515.86 and 4,988.26 is: 6,885.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.16 : 11,515.86 = 4,988.26 : x
  2. Step 2: Convert to fraction form
    8,343.16/11,515.86 = 4,988.26/x
  3. Step 3: Cross multiply
    8,343.16x = 11,515.86 × 4,988.26
  4. Step 4: Simplify right side
    8,343.16x = 57,444,103.80
  5. Step 5: Solve for x
    x = 57,444,103.80/8,343.16
  6. Step 6: Final answer
    x = 6,885.17

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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.