Home / 5,913.24-8,160.36-3,395.76

Finding the Fourth Proportional to 5,913.24, 8,160.36 and 3,395.76

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Solution

The fourth proportional to 5,913.24, 8,160.36 and 3,395.76 is: 4,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.24 : 8,160.36 = 3,395.76 : x
  2. Step 2: Convert to fraction form
    5,913.24/8,160.36 = 3,395.76/x
  3. Step 3: Cross multiply
    5,913.24x = 8,160.36 × 3,395.76
  4. Step 4: Simplify right side
    5,913.24x = 27,710,624.07
  5. Step 5: Solve for x
    x = 27,710,624.07/5,913.24
  6. Step 6: Final answer
    x = 4,686.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.