Home / 4,674.30-7,010.91-1,387.05

Finding the Fourth Proportional to 4,674.30, 7,010.91 and 1,387.05

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Solution

The fourth proportional to 4,674.30, 7,010.91 and 1,387.05 is: 2,080.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.30 : 7,010.91 = 1,387.05 : x
  2. Step 2: Convert to fraction form
    4,674.30/7,010.91 = 1,387.05/x
  3. Step 3: Cross multiply
    4,674.30x = 7,010.91 × 1,387.05
  4. Step 4: Simplify right side
    4,674.30x = 9,724,482.72
  5. Step 5: Solve for x
    x = 9,724,482.72/4,674.30
  6. Step 6: Final answer
    x = 2,080.41

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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.