Home / 4,538.98-6,808.56-2,988.88

Finding the Fourth Proportional to 4,538.98, 6,808.56 and 2,988.88

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Solution

The fourth proportional to 4,538.98, 6,808.56 and 2,988.88 is: 4,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,538.98 : 6,808.56 = 2,988.88 : x
  2. Step 2: Convert to fraction form
    4,538.98/6,808.56 = 2,988.88/x
  3. Step 3: Cross multiply
    4,538.98x = 6,808.56 × 2,988.88
  4. Step 4: Simplify right side
    4,538.98x = 20,349,968.81
  5. Step 5: Solve for x
    x = 20,349,968.81/4,538.98
  6. Step 6: Final answer
    x = 4,483.38

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1.5x scale

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.