Home / 5,318.08-7,342.23-3,430.34

Finding the Fourth Proportional to 5,318.08, 7,342.23 and 3,430.34

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Solution

The fourth proportional to 5,318.08, 7,342.23 and 3,430.34 is: 4,735.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.08 : 7,342.23 = 3,430.34 : x
  2. Step 2: Convert to fraction form
    5,318.08/7,342.23 = 3,430.34/x
  3. Step 3: Cross multiply
    5,318.08x = 7,342.23 × 3,430.34
  4. Step 4: Simplify right side
    5,318.08x = 25,186,345.26
  5. Step 5: Solve for x
    x = 25,186,345.26/5,318.08
  6. Step 6: Final answer
    x = 4,735.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.