Home / 4,421.08-6,629.95-1,647.14

Finding the Fourth Proportional to 4,421.08, 6,629.95 and 1,647.14

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Solution

The fourth proportional to 4,421.08, 6,629.95 and 1,647.14 is: 2,470.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,421.08 : 6,629.95 = 1,647.14 : x
  2. Step 2: Convert to fraction form
    4,421.08/6,629.95 = 1,647.14/x
  3. Step 3: Cross multiply
    4,421.08x = 6,629.95 × 1,647.14
  4. Step 4: Simplify right side
    4,421.08x = 10,920,424.75
  5. Step 5: Solve for x
    x = 10,920,424.75/4,421.08
  6. Step 6: Final answer
    x = 2,470.08

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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.