Home / 7,831.53-10,807.81-4,646.50

Finding the Fourth Proportional to 7,831.53, 10,807.81 and 4,646.50

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Solution

The fourth proportional to 7,831.53, 10,807.81 and 4,646.50 is: 6,412.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,831.53 : 10,807.81 = 4,646.50 : x
  2. Step 2: Convert to fraction form
    7,831.53/10,807.81 = 4,646.50/x
  3. Step 3: Cross multiply
    7,831.53x = 10,807.81 × 4,646.50
  4. Step 4: Simplify right side
    7,831.53x = 50,218,489.17
  5. Step 5: Solve for x
    x = 50,218,489.17/7,831.53
  6. Step 6: Final answer
    x = 6,412.35

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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.