Home / 5,407.16-8,107.70-1,710.32

Finding the Fourth Proportional to 5,407.16, 8,107.70 and 1,710.32

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Solution

The fourth proportional to 5,407.16, 8,107.70 and 1,710.32 is: 2,564.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,407.16 : 8,107.70 = 1,710.32 : x
  2. Step 2: Convert to fraction form
    5,407.16/8,107.70 = 1,710.32/x
  3. Step 3: Cross multiply
    5,407.16x = 8,107.70 × 1,710.32
  4. Step 4: Simplify right side
    5,407.16x = 13,866,712.37
  5. Step 5: Solve for x
    x = 13,866,712.37/5,407.16
  6. Step 6: Final answer
    x = 2,564.51

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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.