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Finding the Fourth Proportional to 6,340.84, 8,750.82 and 3,547.24

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Solution

The fourth proportional to 6,340.84, 8,750.82 and 3,547.24 is: 4,895.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.84 : 8,750.82 = 3,547.24 : x
  2. Step 2: Convert to fraction form
    6,340.84/8,750.82 = 3,547.24/x
  3. Step 3: Cross multiply
    6,340.84x = 8,750.82 × 3,547.24
  4. Step 4: Simplify right side
    6,340.84x = 31,041,258.74
  5. Step 5: Solve for x
    x = 31,041,258.74/6,340.84
  6. Step 6: Final answer
    x = 4,895.45

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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.