Home / 5,271.13-7,907.99-1,761.50

Finding the Fourth Proportional to 5,271.13, 7,907.99 and 1,761.50

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Solution

The fourth proportional to 5,271.13, 7,907.99 and 1,761.50 is: 2,642.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271.13 : 7,907.99 = 1,761.50 : x
  2. Step 2: Convert to fraction form
    5,271.13/7,907.99 = 1,761.50/x
  3. Step 3: Cross multiply
    5,271.13x = 7,907.99 × 1,761.50
  4. Step 4: Simplify right side
    5,271.13x = 13,929,935.35
  5. Step 5: Solve for x
    x = 13,929,935.35/5,271.13
  6. Step 6: Final answer
    x = 2,642.69

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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.