Home / 7,478.86-10,318.35-4,828.03

Finding the Fourth Proportional to 7,478.86, 10,318.35 and 4,828.03

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Solution

The fourth proportional to 7,478.86, 10,318.35 and 4,828.03 is: 6,661.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.86 : 10,318.35 = 4,828.03 : x
  2. Step 2: Convert to fraction form
    7,478.86/10,318.35 = 4,828.03/x
  3. Step 3: Cross multiply
    7,478.86x = 10,318.35 × 4,828.03
  4. Step 4: Simplify right side
    7,478.86x = 49,817,303.35
  5. Step 5: Solve for x
    x = 49,817,303.35/7,478.86
  6. Step 6: Final answer
    x = 6,661.08

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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.