Home / 6,159.40-9,246.30-3,977.20

Finding the Fourth Proportional to 6,159.40, 9,246.30 and 3,977.20

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Solution

The fourth proportional to 6,159.40, 9,246.30 and 3,977.20 is: 5,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,159.40 : 9,246.30 = 3,977.20 : x
  2. Step 2: Convert to fraction form
    6,159.40/9,246.30 = 3,977.20/x
  3. Step 3: Cross multiply
    6,159.40x = 9,246.30 × 3,977.20
  4. Step 4: Simplify right side
    6,159.40x = 36,774,384.36
  5. Step 5: Solve for x
    x = 36,774,384.36/6,159.40
  6. Step 6: Final answer
    x = 5,970.45

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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.