Home / 8,946.36-12,345.93-4,913.27

Finding the Fourth Proportional to 8,946.36, 12,345.93 and 4,913.27

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Solution

The fourth proportional to 8,946.36, 12,345.93 and 4,913.27 is: 6,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.36 : 12,345.93 = 4,913.27 : x
  2. Step 2: Convert to fraction form
    8,946.36/12,345.93 = 4,913.27/x
  3. Step 3: Cross multiply
    8,946.36x = 12,345.93 × 4,913.27
  4. Step 4: Simplify right side
    8,946.36x = 60,658,887.49
  5. Step 5: Solve for x
    x = 60,658,887.49/8,946.36
  6. Step 6: Final answer
    x = 6,780.29

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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.