Home / 4,585.60-6,878.40-2,636.20

Finding the Fourth Proportional to 4,585.60, 6,878.40 and 2,636.20

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Solution

The fourth proportional to 4,585.60, 6,878.40 and 2,636.20 is: 3,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,585.60 : 6,878.40 = 2,636.20 : x
  2. Step 2: Convert to fraction form
    4,585.60/6,878.40 = 2,636.20/x
  3. Step 3: Cross multiply
    4,585.60x = 6,878.40 × 2,636.20
  4. Step 4: Simplify right side
    4,585.60x = 18,132,838.08
  5. Step 5: Solve for x
    x = 18,132,838.08/4,585.60
  6. Step 6: Final answer
    x = 3,954.30

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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.