Home / 6,989.25-9,640.28-4,598.47

Finding the Fourth Proportional to 6,989.25, 9,640.28 and 4,598.47

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Solution

The fourth proportional to 6,989.25, 9,640.28 and 4,598.47 is: 6,342.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989.25 : 9,640.28 = 4,598.47 : x
  2. Step 2: Convert to fraction form
    6,989.25/9,640.28 = 4,598.47/x
  3. Step 3: Cross multiply
    6,989.25x = 9,640.28 × 4,598.47
  4. Step 4: Simplify right side
    6,989.25x = 44,330,525.77
  5. Step 5: Solve for x
    x = 44,330,525.77/6,989.25
  6. Step 6: Final answer
    x = 6,342.67

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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.