Home / 7,358.02-11,009.40-4,385.56

Finding the Fourth Proportional to 7,358.02, 11,009.40 and 4,385.56

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Solution

The fourth proportional to 7,358.02, 11,009.40 and 4,385.56 is: 6,561.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.02 : 11,009.40 = 4,385.56 : x
  2. Step 2: Convert to fraction form
    7,358.02/11,009.40 = 4,385.56/x
  3. Step 3: Cross multiply
    7,358.02x = 11,009.40 × 4,385.56
  4. Step 4: Simplify right side
    7,358.02x = 48,282,384.26
  5. Step 5: Solve for x
    x = 48,282,384.26/7,358.02
  6. Step 6: Final answer
    x = 6,561.87

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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.