Home / 5,426.56-8,139.80-1,530.94

Finding the Fourth Proportional to 5,426.56, 8,139.80 and 1,530.94

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Solution

The fourth proportional to 5,426.56, 8,139.80 and 1,530.94 is: 2,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.56 : 8,139.80 = 1,530.94 : x
  2. Step 2: Convert to fraction form
    5,426.56/8,139.80 = 1,530.94/x
  3. Step 3: Cross multiply
    5,426.56x = 8,139.80 × 1,530.94
  4. Step 4: Simplify right side
    5,426.56x = 12,461,545.41
  5. Step 5: Solve for x
    x = 12,461,545.41/5,426.56
  6. Step 6: Final answer
    x = 2,296.40

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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.