Home / 6,428.16-9,637.47-4,342.32

Finding the Fourth Proportional to 6,428.16, 9,637.47 and 4,342.32

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Solution

The fourth proportional to 6,428.16, 9,637.47 and 4,342.32 is: 6,510.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.16 : 9,637.47 = 4,342.32 : x
  2. Step 2: Convert to fraction form
    6,428.16/9,637.47 = 4,342.32/x
  3. Step 3: Cross multiply
    6,428.16x = 9,637.47 × 4,342.32
  4. Step 4: Simplify right side
    6,428.16x = 41,848,978.73
  5. Step 5: Solve for x
    x = 41,848,978.73/6,428.16
  6. Step 6: Final answer
    x = 6,510.26

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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.