Home / 6,120.64-8,450.40-4,701.59

Finding the Fourth Proportional to 6,120.64, 8,450.40 and 4,701.59

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Solution

The fourth proportional to 6,120.64, 8,450.40 and 4,701.59 is: 6,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.64 : 8,450.40 = 4,701.59 : x
  2. Step 2: Convert to fraction form
    6,120.64/8,450.40 = 4,701.59/x
  3. Step 3: Cross multiply
    6,120.64x = 8,450.40 × 4,701.59
  4. Step 4: Simplify right side
    6,120.64x = 39,730,357.51
  5. Step 5: Solve for x
    x = 39,730,357.51/6,120.64
  6. Step 6: Final answer
    x = 6,491.21

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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.