Home / 6,490.33-8,956.65-3,506.16

Finding the Fourth Proportional to 6,490.33, 8,956.65 and 3,506.16

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Solution

The fourth proportional to 6,490.33, 8,956.65 and 3,506.16 is: 4,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490.33 : 8,956.65 = 3,506.16 : x
  2. Step 2: Convert to fraction form
    6,490.33/8,956.65 = 3,506.16/x
  3. Step 3: Cross multiply
    6,490.33x = 8,956.65 × 3,506.16
  4. Step 4: Simplify right side
    6,490.33x = 31,403,434.82
  5. Step 5: Solve for x
    x = 31,403,434.82/6,490.33
  6. Step 6: Final answer
    x = 4,838.50

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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.