Home / 7,455.08-10,287.12-4,097.34

Finding the Fourth Proportional to 7,455.08, 10,287.12 and 4,097.34

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Solution

The fourth proportional to 7,455.08, 10,287.12 and 4,097.34 is: 5,653.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,455.08 : 10,287.12 = 4,097.34 : x
  2. Step 2: Convert to fraction form
    7,455.08/10,287.12 = 4,097.34/x
  3. Step 3: Cross multiply
    7,455.08x = 10,287.12 × 4,097.34
  4. Step 4: Simplify right side
    7,455.08x = 42,149,828.26
  5. Step 5: Solve for x
    x = 42,149,828.26/7,455.08
  6. Step 6: Final answer
    x = 5,653.84

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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.