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Finding the Fourth Proportional to 4,763.74, 6,573.81 and 2,639.19

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Solution

The fourth proportional to 4,763.74, 6,573.81 and 2,639.19 is: 3,642.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.74 : 6,573.81 = 2,639.19 : x
  2. Step 2: Convert to fraction form
    4,763.74/6,573.81 = 2,639.19/x
  3. Step 3: Cross multiply
    4,763.74x = 6,573.81 × 2,639.19
  4. Step 4: Simplify right side
    4,763.74x = 17,349,533.61
  5. Step 5: Solve for x
    x = 17,349,533.61/4,763.74
  6. Step 6: Final answer
    x = 3,642.00

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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.