Home / 8,802.40-12,146.16-5,264.32

Finding the Fourth Proportional to 8,802.40, 12,146.16 and 5,264.32

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Solution

The fourth proportional to 8,802.40, 12,146.16 and 5,264.32 is: 7,264.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.40 : 12,146.16 = 5,264.32 : x
  2. Step 2: Convert to fraction form
    8,802.40/12,146.16 = 5,264.32/x
  3. Step 3: Cross multiply
    8,802.40x = 12,146.16 × 5,264.32
  4. Step 4: Simplify right side
    8,802.40x = 63,941,273.01
  5. Step 5: Solve for x
    x = 63,941,273.01/8,802.40
  6. Step 6: Final answer
    x = 7,264.07

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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.