Home / 4,991.13-7,487.51-1,527.57

Finding the Fourth Proportional to 4,991.13, 7,487.51 and 1,527.57

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Solution

The fourth proportional to 4,991.13, 7,487.51 and 1,527.57 is: 2,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.13 : 7,487.51 = 1,527.57 : x
  2. Step 2: Convert to fraction form
    4,991.13/7,487.51 = 1,527.57/x
  3. Step 3: Cross multiply
    4,991.13x = 7,487.51 × 1,527.57
  4. Step 4: Simplify right side
    4,991.13x = 11,437,688.01
  5. Step 5: Solve for x
    x = 11,437,688.01/4,991.13
  6. Step 6: Final answer
    x = 2,291.60

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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.