Home / 7,399.58-10,212.40-4,711.07

Finding the Fourth Proportional to 7,399.58, 10,212.40 and 4,711.07

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Solution

The fourth proportional to 7,399.58, 10,212.40 and 4,711.07 is: 6,501.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.58 : 10,212.40 = 4,711.07 : x
  2. Step 2: Convert to fraction form
    7,399.58/10,212.40 = 4,711.07/x
  3. Step 3: Cross multiply
    7,399.58x = 10,212.40 × 4,711.07
  4. Step 4: Simplify right side
    7,399.58x = 48,111,331.27
  5. Step 5: Solve for x
    x = 48,111,331.27/7,399.58
  6. Step 6: Final answer
    x = 6,501.90

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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.