Home / 4,989.32-7,483.71-1,526.57

Finding the Fourth Proportional to 4,989.32, 7,483.71 and 1,526.57

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Solution

The fourth proportional to 4,989.32, 7,483.71 and 1,526.57 is: 2,289.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,989.32 : 7,483.71 = 1,526.57 : x
  2. Step 2: Convert to fraction form
    4,989.32/7,483.71 = 1,526.57/x
  3. Step 3: Cross multiply
    4,989.32x = 7,483.71 × 1,526.57
  4. Step 4: Simplify right side
    4,989.32x = 11,424,407.17
  5. Step 5: Solve for x
    x = 11,424,407.17/4,989.32
  6. Step 6: Final answer
    x = 2,289.77

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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.