Home / 8,417.81-11,618.08-5,272.17

Finding the Fourth Proportional to 8,417.81, 11,618.08 and 5,272.17

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Solution

The fourth proportional to 8,417.81, 11,618.08 and 5,272.17 is: 7,276.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.81 : 11,618.08 = 5,272.17 : x
  2. Step 2: Convert to fraction form
    8,417.81/11,618.08 = 5,272.17/x
  3. Step 3: Cross multiply
    8,417.81x = 11,618.08 × 5,272.17
  4. Step 4: Simplify right side
    8,417.81x = 61,252,492.83
  5. Step 5: Solve for x
    x = 61,252,492.83/8,417.81
  6. Step 6: Final answer
    x = 7,276.54

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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.