Home / 7,430.23-10,247.81-6,314.86

Finding the Fourth Proportional to 7,430.23, 10,247.81 and 6,314.86

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Solution

The fourth proportional to 7,430.23, 10,247.81 and 6,314.86 is: 8,709.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.23 : 10,247.81 = 6,314.86 : x
  2. Step 2: Convert to fraction form
    7,430.23/10,247.81 = 6,314.86/x
  3. Step 3: Cross multiply
    7,430.23x = 10,247.81 × 6,314.86
  4. Step 4: Simplify right side
    7,430.23x = 64,713,485.46
  5. Step 5: Solve for x
    x = 64,713,485.46/7,430.23
  6. Step 6: Final answer
    x = 8,709.49

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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.