Home / 6,555.48-9,831.57-1,875.53

Finding the Fourth Proportional to 6,555.48, 9,831.57 and 1,875.53

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Solution

The fourth proportional to 6,555.48, 9,831.57 and 1,875.53 is: 2,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.48 : 9,831.57 = 1,875.53 : x
  2. Step 2: Convert to fraction form
    6,555.48/9,831.57 = 1,875.53/x
  3. Step 3: Cross multiply
    6,555.48x = 9,831.57 × 1,875.53
  4. Step 4: Simplify right side
    6,555.48x = 18,439,355.32
  5. Step 5: Solve for x
    x = 18,439,355.32/6,555.48
  6. Step 6: Final answer
    x = 2,812.82

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1.5x scale

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.