Home / 5,430.14-8,140.01-1,730.33

Finding the Fourth Proportional to 5,430.14, 8,140.01 and 1,730.33

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Solution

The fourth proportional to 5,430.14, 8,140.01 and 1,730.33 is: 2,593.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430.14 : 8,140.01 = 1,730.33 : x
  2. Step 2: Convert to fraction form
    5,430.14/8,140.01 = 1,730.33/x
  3. Step 3: Cross multiply
    5,430.14x = 8,140.01 × 1,730.33
  4. Step 4: Simplify right side
    5,430.14x = 14,084,903.50
  5. Step 5: Solve for x
    x = 14,084,903.50/5,430.14
  6. Step 6: Final answer
    x = 2,593.84

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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.