Home / 4,417.60-6,616.80-2,862.40

Finding the Fourth Proportional to 4,417.60, 6,616.80 and 2,862.40

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Solution

The fourth proportional to 4,417.60, 6,616.80 and 2,862.40 is: 4,287.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,417.60 : 6,616.80 = 2,862.40 : x
  2. Step 2: Convert to fraction form
    4,417.60/6,616.80 = 2,862.40/x
  3. Step 3: Cross multiply
    4,417.60x = 6,616.80 × 2,862.40
  4. Step 4: Simplify right side
    4,417.60x = 18,939,928.32
  5. Step 5: Solve for x
    x = 18,939,928.32/4,417.60
  6. Step 6: Final answer
    x = 4,287.38

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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.