Home / 4,455.51-6,687.63-2,117.10

Finding the Fourth Proportional to 4,455.51, 6,687.63 and 2,117.10

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Solution

The fourth proportional to 4,455.51, 6,687.63 and 2,117.10 is: 3,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,455.51 : 6,687.63 = 2,117.10 : x
  2. Step 2: Convert to fraction form
    4,455.51/6,687.63 = 2,117.10/x
  3. Step 3: Cross multiply
    4,455.51x = 6,687.63 × 2,117.10
  4. Step 4: Simplify right side
    4,455.51x = 14,158,381.47
  5. Step 5: Solve for x
    x = 14,158,381.47/4,455.51
  6. Step 6: Final answer
    x = 3,177.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.