Home / 9,437.57-13,030.61-6,611.21

Finding the Fourth Proportional to 9,437.57, 13,030.61 and 6,611.21

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Solution

The fourth proportional to 9,437.57, 13,030.61 and 6,611.21 is: 9,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,437.57 : 13,030.61 = 6,611.21 : x
  2. Step 2: Convert to fraction form
    9,437.57/13,030.61 = 6,611.21/x
  3. Step 3: Cross multiply
    9,437.57x = 13,030.61 × 6,611.21
  4. Step 4: Simplify right side
    9,437.57x = 86,148,066.08
  5. Step 5: Solve for x
    x = 86,148,066.08/9,437.57
  6. Step 6: Final answer
    x = 9,128.21

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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.