Home / 7,557.06-10,428.84-4,200.08

Finding the Fourth Proportional to 7,557.06, 10,428.84 and 4,200.08

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Solution

The fourth proportional to 7,557.06, 10,428.84 and 4,200.08 is: 5,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.06 : 10,428.84 = 4,200.08 : x
  2. Step 2: Convert to fraction form
    7,557.06/10,428.84 = 4,200.08/x
  3. Step 3: Cross multiply
    7,557.06x = 10,428.84 × 4,200.08
  4. Step 4: Simplify right side
    7,557.06x = 43,801,941.31
  5. Step 5: Solve for x
    x = 43,801,941.31/7,557.06
  6. Step 6: Final answer
    x = 5,796.16

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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.