Home / 8,688.48-13,039.72-4,529.76

Finding the Fourth Proportional to 8,688.48, 13,039.72 and 4,529.76

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Solution

The fourth proportional to 8,688.48, 13,039.72 and 4,529.76 is: 6,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.48 : 13,039.72 = 4,529.76 : x
  2. Step 2: Convert to fraction form
    8,688.48/13,039.72 = 4,529.76/x
  3. Step 3: Cross multiply
    8,688.48x = 13,039.72 × 4,529.76
  4. Step 4: Simplify right side
    8,688.48x = 59,066,802.07
  5. Step 5: Solve for x
    x = 59,066,802.07/8,688.48
  6. Step 6: Final answer
    x = 6,798.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.