Home / 6,114.76-8,438.40-3,320.26

Finding the Fourth Proportional to 6,114.76, 8,438.40 and 3,320.26

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Solution

The fourth proportional to 6,114.76, 8,438.40 and 3,320.26 is: 4,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.76 : 8,438.40 = 3,320.26 : x
  2. Step 2: Convert to fraction form
    6,114.76/8,438.40 = 3,320.26/x
  3. Step 3: Cross multiply
    6,114.76x = 8,438.40 × 3,320.26
  4. Step 4: Simplify right side
    6,114.76x = 28,017,681.98
  5. Step 5: Solve for x
    x = 28,017,681.98/6,114.76
  6. Step 6: Final answer
    x = 4,581.98

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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.