Home / 7,886.23-11,837.55-5,808.58

Finding the Fourth Proportional to 7,886.23, 11,837.55 and 5,808.58

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Solution

The fourth proportional to 7,886.23, 11,837.55 and 5,808.58 is: 8,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.23 : 11,837.55 = 5,808.58 : x
  2. Step 2: Convert to fraction form
    7,886.23/11,837.55 = 5,808.58/x
  3. Step 3: Cross multiply
    7,886.23x = 11,837.55 × 5,808.58
  4. Step 4: Simplify right side
    7,886.23x = 68,759,356.18
  5. Step 5: Solve for x
    x = 68,759,356.18/7,886.23
  6. Step 6: Final answer
    x = 8,718.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.