Home / 5,065.32-6,988.98-3,075.72

Finding the Fourth Proportional to 5,065.32, 6,988.98 and 3,075.72

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Solution

The fourth proportional to 5,065.32, 6,988.98 and 3,075.72 is: 4,243.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.32 : 6,988.98 = 3,075.72 : x
  2. Step 2: Convert to fraction form
    5,065.32/6,988.98 = 3,075.72/x
  3. Step 3: Cross multiply
    5,065.32x = 6,988.98 × 3,075.72
  4. Step 4: Simplify right side
    5,065.32x = 21,496,145.57
  5. Step 5: Solve for x
    x = 21,496,145.57/5,065.32
  6. Step 6: Final answer
    x = 4,243.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.