Home / 5,482.90-8,220.30-2,360.35

Finding the Fourth Proportional to 5,482.90, 8,220.30 and 2,360.35

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Solution

The fourth proportional to 5,482.90, 8,220.30 and 2,360.35 is: 3,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,482.90 : 8,220.30 = 2,360.35 : x
  2. Step 2: Convert to fraction form
    5,482.90/8,220.30 = 2,360.35/x
  3. Step 3: Cross multiply
    5,482.90x = 8,220.30 × 2,360.35
  4. Step 4: Simplify right side
    5,482.90x = 19,402,785.11
  5. Step 5: Solve for x
    x = 19,402,785.11/5,482.90
  6. Step 6: Final answer
    x = 3,538.78

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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.