Home / 4,538.65-6,808.02-2,988.49

Finding the Fourth Proportional to 4,538.65, 6,808.02 and 2,988.49

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Solution

The fourth proportional to 4,538.65, 6,808.02 and 2,988.49 is: 4,482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.65 : 6,808.02 = 2,988.49 : x
  2. Step 2: Convert to fraction form
    4,538.65/6,808.02 = 2,988.49/x
  3. Step 3: Cross multiply
    4,538.65x = 6,808.02 × 2,988.49
  4. Step 4: Simplify right side
    4,538.65x = 20,345,699.69
  5. Step 5: Solve for x
    x = 20,345,699.69/4,538.65
  6. Step 6: Final answer
    x = 4,482.76

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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.