Home / 6,890.56-9,513.36-4,536.76

Finding the Fourth Proportional to 6,890.56, 9,513.36 and 4,536.76

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Solution

The fourth proportional to 6,890.56, 9,513.36 and 4,536.76 is: 6,263.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,890.56 : 9,513.36 = 4,536.76 : x
  2. Step 2: Convert to fraction form
    6,890.56/9,513.36 = 4,536.76/x
  3. Step 3: Cross multiply
    6,890.56x = 9,513.36 × 4,536.76
  4. Step 4: Simplify right side
    6,890.56x = 43,159,831.11
  5. Step 5: Solve for x
    x = 43,159,831.11/6,890.56
  6. Step 6: Final answer
    x = 6,263.62

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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.