Home / 7,683.36-11,506.56-4,386.45

Finding the Fourth Proportional to 7,683.36, 11,506.56 and 4,386.45

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Solution

The fourth proportional to 7,683.36, 11,506.56 and 4,386.45 is: 6,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,683.36 : 11,506.56 = 4,386.45 : x
  2. Step 2: Convert to fraction form
    7,683.36/11,506.56 = 4,386.45/x
  3. Step 3: Cross multiply
    7,683.36x = 11,506.56 × 4,386.45
  4. Step 4: Simplify right side
    7,683.36x = 50,472,976.81
  5. Step 5: Solve for x
    x = 50,472,976.81/7,683.36
  6. Step 6: Final answer
    x = 6,569.13

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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.