Home / 8,555.16-11,802.76-5,017.08

Finding the Fourth Proportional to 8,555.16, 11,802.76 and 5,017.08

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Solution

The fourth proportional to 8,555.16, 11,802.76 and 5,017.08 is: 6,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.16 : 11,802.76 = 5,017.08 : x
  2. Step 2: Convert to fraction form
    8,555.16/11,802.76 = 5,017.08/x
  3. Step 3: Cross multiply
    8,555.16x = 11,802.76 × 5,017.08
  4. Step 4: Simplify right side
    8,555.16x = 59,215,391.14
  5. Step 5: Solve for x
    x = 59,215,391.14/8,555.16
  6. Step 6: Final answer
    x = 6,921.60

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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.