Home / 7,457.48-10,287.05-4,658.12

Finding the Fourth Proportional to 7,457.48, 10,287.05 and 4,658.12

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Solution

The fourth proportional to 7,457.48, 10,287.05 and 4,658.12 is: 6,425.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.48 : 10,287.05 = 4,658.12 : x
  2. Step 2: Convert to fraction form
    7,457.48/10,287.05 = 4,658.12/x
  3. Step 3: Cross multiply
    7,457.48x = 10,287.05 × 4,658.12
  4. Step 4: Simplify right side
    7,457.48x = 47,918,238.62
  5. Step 5: Solve for x
    x = 47,918,238.62/7,457.48
  6. Step 6: Final answer
    x = 6,425.53

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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.