Home / 9,157.49-12,637.27-5,124.32

Finding the Fourth Proportional to 9,157.49, 12,637.27 and 5,124.32

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Solution

The fourth proportional to 9,157.49, 12,637.27 and 5,124.32 is: 7,071.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157.49 : 12,637.27 = 5,124.32 : x
  2. Step 2: Convert to fraction form
    9,157.49/12,637.27 = 5,124.32/x
  3. Step 3: Cross multiply
    9,157.49x = 12,637.27 × 5,124.32
  4. Step 4: Simplify right side
    9,157.49x = 64,757,415.41
  5. Step 5: Solve for x
    x = 64,757,415.41/9,157.49
  6. Step 6: Final answer
    x = 7,071.52

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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.