Home / 5,429.34-8,143.05-1,533.66

Finding the Fourth Proportional to 5,429.34, 8,143.05 and 1,533.66

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Solution

The fourth proportional to 5,429.34, 8,143.05 and 1,533.66 is: 2,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.34 : 8,143.05 = 1,533.66 : x
  2. Step 2: Convert to fraction form
    5,429.34/8,143.05 = 1,533.66/x
  3. Step 3: Cross multiply
    5,429.34x = 8,143.05 × 1,533.66
  4. Step 4: Simplify right side
    5,429.34x = 12,488,670.06
  5. Step 5: Solve for x
    x = 12,488,670.06/5,429.34
  6. Step 6: Final answer
    x = 2,300.22

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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.