Home / 6,555.48-9,831.72-1,875.40

Finding the Fourth Proportional to 6,555.48, 9,831.72 and 1,875.40

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Solution

The fourth proportional to 6,555.48, 9,831.72 and 1,875.40 is: 2,812.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.48 : 9,831.72 = 1,875.40 : x
  2. Step 2: Convert to fraction form
    6,555.48/9,831.72 = 1,875.40/x
  3. Step 3: Cross multiply
    6,555.48x = 9,831.72 × 1,875.40
  4. Step 4: Simplify right side
    6,555.48x = 18,438,407.69
  5. Step 5: Solve for x
    x = 18,438,407.69/6,555.48
  6. Step 6: Final answer
    x = 2,812.67

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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.