Home / 6,859.40-10,272.90-4,656.20

Finding the Fourth Proportional to 6,859.40, 10,272.90 and 4,656.20

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Solution

The fourth proportional to 6,859.40, 10,272.90 and 4,656.20 is: 6,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.40 : 10,272.90 = 4,656.20 : x
  2. Step 2: Convert to fraction form
    6,859.40/10,272.90 = 4,656.20/x
  3. Step 3: Cross multiply
    6,859.40x = 10,272.90 × 4,656.20
  4. Step 4: Simplify right side
    6,859.40x = 47,832,676.98
  5. Step 5: Solve for x
    x = 47,832,676.98/6,859.40
  6. Step 6: Final answer
    x = 6,973.30

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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.