Home / 4,720.71-6,515.08-2,952.88

Finding the Fourth Proportional to 4,720.71, 6,515.08 and 2,952.88

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Solution

The fourth proportional to 4,720.71, 6,515.08 and 2,952.88 is: 4,075.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,720.71 : 6,515.08 = 2,952.88 : x
  2. Step 2: Convert to fraction form
    4,720.71/6,515.08 = 2,952.88/x
  3. Step 3: Cross multiply
    4,720.71x = 6,515.08 × 2,952.88
  4. Step 4: Simplify right side
    4,720.71x = 19,238,249.43
  5. Step 5: Solve for x
    x = 19,238,249.43/4,720.71
  6. Step 6: Final answer
    x = 4,075.29

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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.