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Finding the Fourth Proportional to 8,528, 11,768.80 and 4,802.24

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Solution

The fourth proportional to 8,528, 11,768.80 and 4,802.24 is: 6,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528 : 11,768.80 = 4,802.24 : x
  2. Step 2: Convert to fraction form
    8,528/11,768.80 = 4,802.24/x
  3. Step 3: Cross multiply
    8,528x = 11,768.80 × 4,802.24
  4. Step 4: Simplify right side
    8,528x = 56,516,602.11
  5. Step 5: Solve for x
    x = 56,516,602.11/8,528
  6. Step 6: Final answer
    x = 6,627.18

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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.