Home / 7,345.45-11,010.93-4,705.47

Finding the Fourth Proportional to 7,345.45, 11,010.93 and 4,705.47

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Solution

The fourth proportional to 7,345.45, 11,010.93 and 4,705.47 is: 7,053.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.45 : 11,010.93 = 4,705.47 : x
  2. Step 2: Convert to fraction form
    7,345.45/11,010.93 = 4,705.47/x
  3. Step 3: Cross multiply
    7,345.45x = 11,010.93 × 4,705.47
  4. Step 4: Simplify right side
    7,345.45x = 51,811,600.79
  5. Step 5: Solve for x
    x = 51,811,600.79/7,345.45
  6. Step 6: Final answer
    x = 7,053.56

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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.