Home / 7,642.10-10,546.37-4,457.43

Finding the Fourth Proportional to 7,642.10, 10,546.37 and 4,457.43

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Solution

The fourth proportional to 7,642.10, 10,546.37 and 4,457.43 is: 6,151.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.10 : 10,546.37 = 4,457.43 : x
  2. Step 2: Convert to fraction form
    7,642.10/10,546.37 = 4,457.43/x
  3. Step 3: Cross multiply
    7,642.10x = 10,546.37 × 4,457.43
  4. Step 4: Simplify right side
    7,642.10x = 47,009,683.74
  5. Step 5: Solve for x
    x = 47,009,683.74/7,642.10
  6. Step 6: Final answer
    x = 6,151.41

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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.