Home / 6,263.75-8,641.59-4,140.29

Finding the Fourth Proportional to 6,263.75, 8,641.59 and 4,140.29

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Solution

The fourth proportional to 6,263.75, 8,641.59 and 4,140.29 is: 5,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,263.75 : 8,641.59 = 4,140.29 : x
  2. Step 2: Convert to fraction form
    6,263.75/8,641.59 = 4,140.29/x
  3. Step 3: Cross multiply
    6,263.75x = 8,641.59 × 4,140.29
  4. Step 4: Simplify right side
    6,263.75x = 35,778,688.66
  5. Step 5: Solve for x
    x = 35,778,688.66/6,263.75
  6. Step 6: Final answer
    x = 5,712.02

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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.