Home / 8,343.36-11,515.14-4,985.10

Finding the Fourth Proportional to 8,343.36, 11,515.14 and 4,985.10

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Solution

The fourth proportional to 8,343.36, 11,515.14 and 4,985.10 is: 6,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.36 : 11,515.14 = 4,985.10 : x
  2. Step 2: Convert to fraction form
    8,343.36/11,515.14 = 4,985.10/x
  3. Step 3: Cross multiply
    8,343.36x = 11,515.14 × 4,985.10
  4. Step 4: Simplify right side
    8,343.36x = 57,404,124.41
  5. Step 5: Solve for x
    x = 57,404,124.41/8,343.36
  6. Step 6: Final answer
    x = 6,880.22

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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.