Home / 4,277.74-6,417.01-1,680.07

Finding the Fourth Proportional to 4,277.74, 6,417.01 and 1,680.07

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Solution

The fourth proportional to 4,277.74, 6,417.01 and 1,680.07 is: 2,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277.74 : 6,417.01 = 1,680.07 : x
  2. Step 2: Convert to fraction form
    4,277.74/6,417.01 = 1,680.07/x
  3. Step 3: Cross multiply
    4,277.74x = 6,417.01 × 1,680.07
  4. Step 4: Simplify right side
    4,277.74x = 10,780,985.51
  5. Step 5: Solve for x
    x = 10,780,985.51/4,277.74
  6. Step 6: Final answer
    x = 2,520.26

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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.