Home / 4,763.09-7,142.96-1,430.34

Finding the Fourth Proportional to 4,763.09, 7,142.96 and 1,430.34

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Solution

The fourth proportional to 4,763.09, 7,142.96 and 1,430.34 is: 2,145.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,763.09 : 7,142.96 = 1,430.34 : x
  2. Step 2: Convert to fraction form
    4,763.09/7,142.96 = 1,430.34/x
  3. Step 3: Cross multiply
    4,763.09x = 7,142.96 × 1,430.34
  4. Step 4: Simplify right side
    4,763.09x = 10,216,854.25
  5. Step 5: Solve for x
    x = 10,216,854.25/4,763.09
  6. Step 6: Final answer
    x = 2,145.01

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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.