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Finding the Fourth Proportional to 8,547, 11,800.18 and 6,553.72

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Solution

The fourth proportional to 8,547, 11,800.18 and 6,553.72 is: 9,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547 : 11,800.18 = 6,553.72 : x
  2. Step 2: Convert to fraction form
    8,547/11,800.18 = 6,553.72/x
  3. Step 3: Cross multiply
    8,547x = 11,800.18 × 6,553.72
  4. Step 4: Simplify right side
    8,547x = 77,335,075.67
  5. Step 5: Solve for x
    x = 77,335,075.67/8,547
  6. Step 6: Final answer
    x = 9,048.21

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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.