Home / 8,526.87-11,766.30-4,990.35

Finding the Fourth Proportional to 8,526.87, 11,766.30 and 4,990.35

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Solution

The fourth proportional to 8,526.87, 11,766.30 and 4,990.35 is: 6,886.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.87 : 11,766.30 = 4,990.35 : x
  2. Step 2: Convert to fraction form
    8,526.87/11,766.30 = 4,990.35/x
  3. Step 3: Cross multiply
    8,526.87x = 11,766.30 × 4,990.35
  4. Step 4: Simplify right side
    8,526.87x = 58,717,955.21
  5. Step 5: Solve for x
    x = 58,717,955.21/8,526.87
  6. Step 6: Final answer
    x = 6,886.23

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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.