Home / 8,547.89-11,789.35-5,564.66

Finding the Fourth Proportional to 8,547.89, 11,789.35 and 5,564.66

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Solution

The fourth proportional to 8,547.89, 11,789.35 and 5,564.66 is: 7,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,547.89 : 11,789.35 = 5,564.66 : x
  2. Step 2: Convert to fraction form
    8,547.89/11,789.35 = 5,564.66/x
  3. Step 3: Cross multiply
    8,547.89x = 11,789.35 × 5,564.66
  4. Step 4: Simplify right side
    8,547.89x = 65,603,651.51
  5. Step 5: Solve for x
    x = 65,603,651.51/8,547.89
  6. Step 6: Final answer
    x = 7,674.84

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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.