Home / 4,457.40-6,152.49-3,131.46

Finding the Fourth Proportional to 4,457.40, 6,152.49 and 3,131.46

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Solution

The fourth proportional to 4,457.40, 6,152.49 and 3,131.46 is: 4,322.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.40 : 6,152.49 = 3,131.46 : x
  2. Step 2: Convert to fraction form
    4,457.40/6,152.49 = 3,131.46/x
  3. Step 3: Cross multiply
    4,457.40x = 6,152.49 × 3,131.46
  4. Step 4: Simplify right side
    4,457.40x = 19,266,276.34
  5. Step 5: Solve for x
    x = 19,266,276.34/4,457.40
  6. Step 6: Final answer
    x = 4,322.31

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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.