Home / 4,047.20-6,070.80-1,450.40

Finding the Fourth Proportional to 4,047.20, 6,070.80 and 1,450.40

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Solution

The fourth proportional to 4,047.20, 6,070.80 and 1,450.40 is: 2,175.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,047.20 : 6,070.80 = 1,450.40 : x
  2. Step 2: Convert to fraction form
    4,047.20/6,070.80 = 1,450.40/x
  3. Step 3: Cross multiply
    4,047.20x = 6,070.80 × 1,450.40
  4. Step 4: Simplify right side
    4,047.20x = 8,805,088.32
  5. Step 5: Solve for x
    x = 8,805,088.32/4,047.20
  6. Step 6: Final answer
    x = 2,175.60

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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.