Home / 4,300.32-6,449.08-2,654.40

Finding the Fourth Proportional to 4,300.32, 6,449.08 and 2,654.40

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Solution

The fourth proportional to 4,300.32, 6,449.08 and 2,654.40 is: 3,980.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,300.32 : 6,449.08 = 2,654.40 : x
  2. Step 2: Convert to fraction form
    4,300.32/6,449.08 = 2,654.40/x
  3. Step 3: Cross multiply
    4,300.32x = 6,449.08 × 2,654.40
  4. Step 4: Simplify right side
    4,300.32x = 17,118,437.95
  5. Step 5: Solve for x
    x = 17,118,437.95/4,300.32
  6. Step 6: Final answer
    x = 3,980.74

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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.