Home / 8,547.18-11,776.77-6,185.22

Finding the Fourth Proportional to 8,547.18, 11,776.77 and 6,185.22

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Solution

The fourth proportional to 8,547.18, 11,776.77 and 6,185.22 is: 8,522.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.18 : 11,776.77 = 6,185.22 : x
  2. Step 2: Convert to fraction form
    8,547.18/11,776.77 = 6,185.22/x
  3. Step 3: Cross multiply
    8,547.18x = 11,776.77 × 6,185.22
  4. Step 4: Simplify right side
    8,547.18x = 72,841,913.34
  5. Step 5: Solve for x
    x = 72,841,913.34/8,547.18
  6. Step 6: Final answer
    x = 8,522.33

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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.