Home / 7,372.10-10,172.75-4,539.03

Finding the Fourth Proportional to 7,372.10, 10,172.75 and 4,539.03

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Solution

The fourth proportional to 7,372.10, 10,172.75 and 4,539.03 is: 6,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.10 : 10,172.75 = 4,539.03 : x
  2. Step 2: Convert to fraction form
    7,372.10/10,172.75 = 4,539.03/x
  3. Step 3: Cross multiply
    7,372.10x = 10,172.75 × 4,539.03
  4. Step 4: Simplify right side
    7,372.10x = 46,174,417.43
  5. Step 5: Solve for x
    x = 46,174,417.43/7,372.10
  6. Step 6: Final answer
    x = 6,263.40

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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.