Home / 4,346.90-6,520.38-2,875.55

Finding the Fourth Proportional to 4,346.90, 6,520.38 and 2,875.55

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Solution

The fourth proportional to 4,346.90, 6,520.38 and 2,875.55 is: 4,313.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,346.90 : 6,520.38 = 2,875.55 : x
  2. Step 2: Convert to fraction form
    4,346.90/6,520.38 = 2,875.55/x
  3. Step 3: Cross multiply
    4,346.90x = 6,520.38 × 2,875.55
  4. Step 4: Simplify right side
    4,346.90x = 18,749,695.01
  5. Step 5: Solve for x
    x = 18,749,695.01/4,346.90
  6. Step 6: Final answer
    x = 4,313.35

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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.