Home / 6,535.40-9,807.30-3,615.80

Finding the Fourth Proportional to 6,535.40, 9,807.30 and 3,615.80

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Solution

The fourth proportional to 6,535.40, 9,807.30 and 3,615.80 is: 5,426.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,535.40 : 9,807.30 = 3,615.80 : x
  2. Step 2: Convert to fraction form
    6,535.40/9,807.30 = 3,615.80/x
  3. Step 3: Cross multiply
    6,535.40x = 9,807.30 × 3,615.80
  4. Step 4: Simplify right side
    6,535.40x = 35,461,235.34
  5. Step 5: Solve for x
    x = 35,461,235.34/6,535.40
  6. Step 6: Final answer
    x = 5,426.02

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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.