Home / 5,288.15-7,934.06-1,590.30

Finding the Fourth Proportional to 5,288.15, 7,934.06 and 1,590.30

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Solution

The fourth proportional to 5,288.15, 7,934.06 and 1,590.30 is: 2,386.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.15 : 7,934.06 = 1,590.30 : x
  2. Step 2: Convert to fraction form
    5,288.15/7,934.06 = 1,590.30/x
  3. Step 3: Cross multiply
    5,288.15x = 7,934.06 × 1,590.30
  4. Step 4: Simplify right side
    5,288.15x = 12,617,539.59
  5. Step 5: Solve for x
    x = 12,617,539.59/5,288.15
  6. Step 6: Final answer
    x = 2,386.00

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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.