Home / 6,864.40-10,296.60-4,646.80

Finding the Fourth Proportional to 6,864.40, 10,296.60 and 4,646.80

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Solution

The fourth proportional to 6,864.40, 10,296.60 and 4,646.80 is: 6,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,864.40 : 10,296.60 = 4,646.80 : x
  2. Step 2: Convert to fraction form
    6,864.40/10,296.60 = 4,646.80/x
  3. Step 3: Cross multiply
    6,864.40x = 10,296.60 × 4,646.80
  4. Step 4: Simplify right side
    6,864.40x = 47,846,240.88
  5. Step 5: Solve for x
    x = 47,846,240.88/6,864.40
  6. Step 6: Final answer
    x = 6,970.20

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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.