Home / 8,880.07-13,320.04-2,957.40

Finding the Fourth Proportional to 8,880.07, 13,320.04 and 2,957.40

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Solution

The fourth proportional to 8,880.07, 13,320.04 and 2,957.40 is: 4,436.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.07 : 13,320.04 = 2,957.40 : x
  2. Step 2: Convert to fraction form
    8,880.07/13,320.04 = 2,957.40/x
  3. Step 3: Cross multiply
    8,880.07x = 13,320.04 × 2,957.40
  4. Step 4: Simplify right side
    8,880.07x = 39,392,686.30
  5. Step 5: Solve for x
    x = 39,392,686.30/8,880.07
  6. Step 6: Final answer
    x = 4,436.08

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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.