Home / 6,530.40-9,783.36-5,441.76

Finding the Fourth Proportional to 6,530.40, 9,783.36 and 5,441.76

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Solution

The fourth proportional to 6,530.40, 9,783.36 and 5,441.76 is: 8,152.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,530.40 : 9,783.36 = 5,441.76 : x
  2. Step 2: Convert to fraction form
    6,530.40/9,783.36 = 5,441.76/x
  3. Step 3: Cross multiply
    6,530.40x = 9,783.36 × 5,441.76
  4. Step 4: Simplify right side
    6,530.40x = 53,238,697.11
  5. Step 5: Solve for x
    x = 53,238,697.11/6,530.40
  6. Step 6: Final answer
    x = 8,152.44

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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.