Home / 7,357.79-10,153.51-4,000.55

Finding the Fourth Proportional to 7,357.79, 10,153.51 and 4,000.55

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Solution

The fourth proportional to 7,357.79, 10,153.51 and 4,000.55 is: 5,520.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357.79 : 10,153.51 = 4,000.55 : x
  2. Step 2: Convert to fraction form
    7,357.79/10,153.51 = 4,000.55/x
  3. Step 3: Cross multiply
    7,357.79x = 10,153.51 × 4,000.55
  4. Step 4: Simplify right side
    7,357.79x = 40,619,563.66
  5. Step 5: Solve for x
    x = 40,619,563.66/7,357.79
  6. Step 6: Final answer
    x = 5,520.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.