Home / 4,870.08-7,302.96-3,021.12

Finding the Fourth Proportional to 4,870.08, 7,302.96 and 3,021.12

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Solution

The fourth proportional to 4,870.08, 7,302.96 and 3,021.12 is: 4,530.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.08 : 7,302.96 = 3,021.12 : x
  2. Step 2: Convert to fraction form
    4,870.08/7,302.96 = 3,021.12/x
  3. Step 3: Cross multiply
    4,870.08x = 7,302.96 × 3,021.12
  4. Step 4: Simplify right side
    4,870.08x = 22,063,118.52
  5. Step 5: Solve for x
    x = 22,063,118.52/4,870.08
  6. Step 6: Final answer
    x = 4,530.34

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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.