Home / 7,612.05-10,501.47-4,778.51

Finding the Fourth Proportional to 7,612.05, 10,501.47 and 4,778.51

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Solution

The fourth proportional to 7,612.05, 10,501.47 and 4,778.51 is: 6,592.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612.05 : 10,501.47 = 4,778.51 : x
  2. Step 2: Convert to fraction form
    7,612.05/10,501.47 = 4,778.51/x
  3. Step 3: Cross multiply
    7,612.05x = 10,501.47 × 4,778.51
  4. Step 4: Simplify right side
    7,612.05x = 50,181,379.41
  5. Step 5: Solve for x
    x = 50,181,379.41/7,612.05
  6. Step 6: Final answer
    x = 6,592.36

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Half scale
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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.