Home / 9,089.87-12,528.59-6,935.67

Finding the Fourth Proportional to 9,089.87, 12,528.59 and 6,935.67

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Solution

The fourth proportional to 9,089.87, 12,528.59 and 6,935.67 is: 9,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.87 : 12,528.59 = 6,935.67 : x
  2. Step 2: Convert to fraction form
    9,089.87/12,528.59 = 6,935.67/x
  3. Step 3: Cross multiply
    9,089.87x = 12,528.59 × 6,935.67
  4. Step 4: Simplify right side
    9,089.87x = 86,894,131.13
  5. Step 5: Solve for x
    x = 86,894,131.13/9,089.87
  6. Step 6: Final answer
    x = 9,559.45

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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.