Home / 5,575.84-7,700.16-4,395.04

Finding the Fourth Proportional to 5,575.84, 7,700.16 and 4,395.04

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Solution

The fourth proportional to 5,575.84, 7,700.16 and 4,395.04 is: 6,069.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.84 : 7,700.16 = 4,395.04 : x
  2. Step 2: Convert to fraction form
    5,575.84/7,700.16 = 4,395.04/x
  3. Step 3: Cross multiply
    5,575.84x = 7,700.16 × 4,395.04
  4. Step 4: Simplify right side
    5,575.84x = 33,842,511.21
  5. Step 5: Solve for x
    x = 33,842,511.21/5,575.84
  6. Step 6: Final answer
    x = 6,069.49

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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.