Home / 6,426.84-8,870.51-3,775.11

Finding the Fourth Proportional to 6,426.84, 8,870.51 and 3,775.11

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Solution

The fourth proportional to 6,426.84, 8,870.51 and 3,775.11 is: 5,210.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.84 : 8,870.51 = 3,775.11 : x
  2. Step 2: Convert to fraction form
    6,426.84/8,870.51 = 3,775.11/x
  3. Step 3: Cross multiply
    6,426.84x = 8,870.51 × 3,775.11
  4. Step 4: Simplify right side
    6,426.84x = 33,487,127.18
  5. Step 5: Solve for x
    x = 33,487,127.18/6,426.84
  6. Step 6: Final answer
    x = 5,210.51

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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.