Home / 8,312.92-12,477.58-4,417.32

Finding the Fourth Proportional to 8,312.92, 12,477.58 and 4,417.32

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Solution

The fourth proportional to 8,312.92, 12,477.58 and 4,417.32 is: 6,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.92 : 12,477.58 = 4,417.32 : x
  2. Step 2: Convert to fraction form
    8,312.92/12,477.58 = 4,417.32/x
  3. Step 3: Cross multiply
    8,312.92x = 12,477.58 × 4,417.32
  4. Step 4: Simplify right side
    8,312.92x = 55,117,463.69
  5. Step 5: Solve for x
    x = 55,117,463.69/8,312.92
  6. Step 6: Final answer
    x = 6,630.34

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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.