Home / 7,430.02-11,144.93-1,807.72

Finding the Fourth Proportional to 7,430.02, 11,144.93 and 1,807.72

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Solution

The fourth proportional to 7,430.02, 11,144.93 and 1,807.72 is: 2,711.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.02 : 11,144.93 = 1,807.72 : x
  2. Step 2: Convert to fraction form
    7,430.02/11,144.93 = 1,807.72/x
  3. Step 3: Cross multiply
    7,430.02x = 11,144.93 × 1,807.72
  4. Step 4: Simplify right side
    7,430.02x = 20,146,912.86
  5. Step 5: Solve for x
    x = 20,146,912.86/7,430.02
  6. Step 6: Final answer
    x = 2,711.56

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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.