Home / 7,457.23-11,180.23-6,429.34

Finding the Fourth Proportional to 7,457.23, 11,180.23 and 6,429.34

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Solution

The fourth proportional to 7,457.23, 11,180.23 and 6,429.34 is: 9,639.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.23 : 11,180.23 = 6,429.34 : x
  2. Step 2: Convert to fraction form
    7,457.23/11,180.23 = 6,429.34/x
  3. Step 3: Cross multiply
    7,457.23x = 11,180.23 × 6,429.34
  4. Step 4: Simplify right side
    7,457.23x = 71,881,499.95
  5. Step 5: Solve for x
    x = 71,881,499.95/7,457.23
  6. Step 6: Final answer
    x = 9,639.17

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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.