Home / 6,440.55-9,642.63-4,094.76

Finding the Fourth Proportional to 6,440.55, 9,642.63 and 4,094.76

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Solution

The fourth proportional to 6,440.55, 9,642.63 and 4,094.76 is: 6,130.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.55 : 9,642.63 = 4,094.76 : x
  2. Step 2: Convert to fraction form
    6,440.55/9,642.63 = 4,094.76/x
  3. Step 3: Cross multiply
    6,440.55x = 9,642.63 × 4,094.76
  4. Step 4: Simplify right side
    6,440.55x = 39,484,255.62
  5. Step 5: Solve for x
    x = 39,484,255.62/6,440.55
  6. Step 6: Final answer
    x = 6,130.57

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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.