Home / 7,430.23-10,253.13-4,285.81

Finding the Fourth Proportional to 7,430.23, 10,253.13 and 4,285.81

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Solution

The fourth proportional to 7,430.23, 10,253.13 and 4,285.81 is: 5,914.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.23 : 10,253.13 = 4,285.81 : x
  2. Step 2: Convert to fraction form
    7,430.23/10,253.13 = 4,285.81/x
  3. Step 3: Cross multiply
    7,430.23x = 10,253.13 × 4,285.81
  4. Step 4: Simplify right side
    7,430.23x = 43,942,945.66
  5. Step 5: Solve for x
    x = 43,942,945.66/7,430.23
  6. Step 6: Final answer
    x = 5,914.08

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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.