Home / 4,812.50-7,218.95-1,525.52

Finding the Fourth Proportional to 4,812.50, 7,218.95 and 1,525.52

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Solution

The fourth proportional to 4,812.50, 7,218.95 and 1,525.52 is: 2,288.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.50 : 7,218.95 = 1,525.52 : x
  2. Step 2: Convert to fraction form
    4,812.50/7,218.95 = 1,525.52/x
  3. Step 3: Cross multiply
    4,812.50x = 7,218.95 × 1,525.52
  4. Step 4: Simplify right side
    4,812.50x = 11,012,652.60
  5. Step 5: Solve for x
    x = 11,012,652.60/4,812.50
  6. Step 6: Final answer
    x = 2,288.34

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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.