Home / 5,547.23-7,661.49-3,775.76

Finding the Fourth Proportional to 5,547.23, 7,661.49 and 3,775.76

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Solution

The fourth proportional to 5,547.23, 7,661.49 and 3,775.76 is: 5,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,547.23 : 7,661.49 = 3,775.76 : x
  2. Step 2: Convert to fraction form
    5,547.23/7,661.49 = 3,775.76/x
  3. Step 3: Cross multiply
    5,547.23x = 7,661.49 × 3,775.76
  4. Step 4: Simplify right side
    5,547.23x = 28,927,966.84
  5. Step 5: Solve for x
    x = 28,927,966.84/5,547.23
  6. Step 6: Final answer
    x = 5,214.84

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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.