Home / 4,440.61-6,655.45-1,515.50

Finding the Fourth Proportional to 4,440.61, 6,655.45 and 1,515.50

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Solution

The fourth proportional to 4,440.61, 6,655.45 and 1,515.50 is: 2,271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.61 : 6,655.45 = 1,515.50 : x
  2. Step 2: Convert to fraction form
    4,440.61/6,655.45 = 1,515.50/x
  3. Step 3: Cross multiply
    4,440.61x = 6,655.45 × 1,515.50
  4. Step 4: Simplify right side
    4,440.61x = 10,086,334.48
  5. Step 5: Solve for x
    x = 10,086,334.48/4,440.61
  6. Step 6: Final answer
    x = 2,271.38

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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.