Home / 4,989.63-7,484.18-1,526.88

Finding the Fourth Proportional to 4,989.63, 7,484.18 and 1,526.88

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Solution

The fourth proportional to 4,989.63, 7,484.18 and 1,526.88 is: 2,290.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.63 : 7,484.18 = 1,526.88 : x
  2. Step 2: Convert to fraction form
    4,989.63/7,484.18 = 1,526.88/x
  3. Step 3: Cross multiply
    4,989.63x = 7,484.18 × 1,526.88
  4. Step 4: Simplify right side
    4,989.63x = 11,427,444.76
  5. Step 5: Solve for x
    x = 11,427,444.76/4,989.63
  6. Step 6: Final answer
    x = 2,290.24

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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.