Home / 8,988.02-13,482.67-3,146.10

Finding the Fourth Proportional to 8,988.02, 13,482.67 and 3,146.10

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Solution

The fourth proportional to 8,988.02, 13,482.67 and 3,146.10 is: 4,719.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.02 : 13,482.67 = 3,146.10 : x
  2. Step 2: Convert to fraction form
    8,988.02/13,482.67 = 3,146.10/x
  3. Step 3: Cross multiply
    8,988.02x = 13,482.67 × 3,146.10
  4. Step 4: Simplify right side
    8,988.02x = 42,417,828.09
  5. Step 5: Solve for x
    x = 42,417,828.09/8,988.02
  6. Step 6: Final answer
    x = 4,719.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.