Home / 7,478.82-11,210.69-4,707.47

Finding the Fourth Proportional to 7,478.82, 11,210.69 and 4,707.47

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Solution

The fourth proportional to 7,478.82, 11,210.69 and 4,707.47 is: 7,056.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.82 : 11,210.69 = 4,707.47 : x
  2. Step 2: Convert to fraction form
    7,478.82/11,210.69 = 4,707.47/x
  3. Step 3: Cross multiply
    7,478.82x = 11,210.69 × 4,707.47
  4. Step 4: Simplify right side
    7,478.82x = 52,773,907.26
  5. Step 5: Solve for x
    x = 52,773,907.26/7,478.82
  6. Step 6: Final answer
    x = 7,056.45

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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.