Home / 4,989.06-7,484.40-1,525.50

Finding the Fourth Proportional to 4,989.06, 7,484.40 and 1,525.50

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Solution

The fourth proportional to 4,989.06, 7,484.40 and 1,525.50 is: 2,288.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.06 : 7,484.40 = 1,525.50 : x
  2. Step 2: Convert to fraction form
    4,989.06/7,484.40 = 1,525.50/x
  3. Step 3: Cross multiply
    4,989.06x = 7,484.40 × 1,525.50
  4. Step 4: Simplify right side
    4,989.06x = 11,417,452.20
  5. Step 5: Solve for x
    x = 11,417,452.20/4,989.06
  6. Step 6: Final answer
    x = 2,288.50

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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.