Home / 4,448.61-6,674.45-1,985.13

Finding the Fourth Proportional to 4,448.61, 6,674.45 and 1,985.13

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Solution

The fourth proportional to 4,448.61, 6,674.45 and 1,985.13 is: 2,978.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.61 : 6,674.45 = 1,985.13 : x
  2. Step 2: Convert to fraction form
    4,448.61/6,674.45 = 1,985.13/x
  3. Step 3: Cross multiply
    4,448.61x = 6,674.45 × 1,985.13
  4. Step 4: Simplify right side
    4,448.61x = 13,249,641.00
  5. Step 5: Solve for x
    x = 13,249,641.00/4,448.61
  6. Step 6: Final answer
    x = 2,978.38

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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.