Home / 8,718.64-12,030.98-4,940.94

Finding the Fourth Proportional to 8,718.64, 12,030.98 and 4,940.94

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Solution

The fourth proportional to 8,718.64, 12,030.98 and 4,940.94 is: 6,818.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,718.64 : 12,030.98 = 4,940.94 : x
  2. Step 2: Convert to fraction form
    8,718.64/12,030.98 = 4,940.94/x
  3. Step 3: Cross multiply
    8,718.64x = 12,030.98 × 4,940.94
  4. Step 4: Simplify right side
    8,718.64x = 59,444,350.32
  5. Step 5: Solve for x
    x = 59,444,350.32/8,718.64
  6. Step 6: Final answer
    x = 6,818.08

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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.