Home / 4,289.76-5,916.65-2,875.04

Finding the Fourth Proportional to 4,289.76, 5,916.65 and 2,875.04

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Solution

The fourth proportional to 4,289.76, 5,916.65 and 2,875.04 is: 3,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.76 : 5,916.65 = 2,875.04 : x
  2. Step 2: Convert to fraction form
    4,289.76/5,916.65 = 2,875.04/x
  3. Step 3: Cross multiply
    4,289.76x = 5,916.65 × 2,875.04
  4. Step 4: Simplify right side
    4,289.76x = 17,010,616.93
  5. Step 5: Solve for x
    x = 17,010,616.93/4,289.76
  6. Step 6: Final answer
    x = 3,965.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.