Home / 7,239.61-9,991.73-4,587.26

Finding the Fourth Proportional to 7,239.61, 9,991.73 and 4,587.26

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Solution

The fourth proportional to 7,239.61, 9,991.73 and 4,587.26 is: 6,331.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239.61 : 9,991.73 = 4,587.26 : x
  2. Step 2: Convert to fraction form
    7,239.61/9,991.73 = 4,587.26/x
  3. Step 3: Cross multiply
    7,239.61x = 9,991.73 × 4,587.26
  4. Step 4: Simplify right side
    7,239.61x = 45,834,699.81
  5. Step 5: Solve for x
    x = 45,834,699.81/7,239.61
  6. Step 6: Final answer
    x = 6,331.10

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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.