Home / 8,970.48-13,455.72-2,730.51

Finding the Fourth Proportional to 8,970.48, 13,455.72 and 2,730.51

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Solution

The fourth proportional to 8,970.48, 13,455.72 and 2,730.51 is: 4,095.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.48 : 13,455.72 = 2,730.51 : x
  2. Step 2: Convert to fraction form
    8,970.48/13,455.72 = 2,730.51/x
  3. Step 3: Cross multiply
    8,970.48x = 13,455.72 × 2,730.51
  4. Step 4: Simplify right side
    8,970.48x = 36,740,978.02
  5. Step 5: Solve for x
    x = 36,740,978.02/8,970.48
  6. Step 6: Final answer
    x = 4,095.77

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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.