Home / 7,873.64-10,856.60-5,880.83

Finding the Fourth Proportional to 7,873.64, 10,856.60 and 5,880.83

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Solution

The fourth proportional to 7,873.64, 10,856.60 and 5,880.83 is: 8,108.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873.64 : 10,856.60 = 5,880.83 : x
  2. Step 2: Convert to fraction form
    7,873.64/10,856.60 = 5,880.83/x
  3. Step 3: Cross multiply
    7,873.64x = 10,856.60 × 5,880.83
  4. Step 4: Simplify right side
    7,873.64x = 63,845,818.98
  5. Step 5: Solve for x
    x = 63,845,818.98/7,873.64
  6. Step 6: Final answer
    x = 8,108.81

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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.