Home / 7,455.49-10,287.75-4,471.45

Finding the Fourth Proportional to 7,455.49, 10,287.75 and 4,471.45

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Solution

The fourth proportional to 7,455.49, 10,287.75 and 4,471.45 is: 6,170.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.49 : 10,287.75 = 4,471.45 : x
  2. Step 2: Convert to fraction form
    7,455.49/10,287.75 = 4,471.45/x
  3. Step 3: Cross multiply
    7,455.49x = 10,287.75 × 4,471.45
  4. Step 4: Simplify right side
    7,455.49x = 46,001,159.74
  5. Step 5: Solve for x
    x = 46,001,159.74/7,455.49
  6. Step 6: Final answer
    x = 6,170.11

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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.