Home / 7,861.18-10,848.31-4,276.19

Finding the Fourth Proportional to 7,861.18, 10,848.31 and 4,276.19

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Solution

The fourth proportional to 7,861.18, 10,848.31 and 4,276.19 is: 5,901.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.18 : 10,848.31 = 4,276.19 : x
  2. Step 2: Convert to fraction form
    7,861.18/10,848.31 = 4,276.19/x
  3. Step 3: Cross multiply
    7,861.18x = 10,848.31 × 4,276.19
  4. Step 4: Simplify right side
    7,861.18x = 46,389,451.17
  5. Step 5: Solve for x
    x = 46,389,451.17/7,861.18
  6. Step 6: Final answer
    x = 5,901.08

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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.