Home / 4,710.61-7,065.69-1,590.40

Finding the Fourth Proportional to 4,710.61, 7,065.69 and 1,590.40

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Solution

The fourth proportional to 4,710.61, 7,065.69 and 1,590.40 is: 2,385.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,710.61 : 7,065.69 = 1,590.40 : x
  2. Step 2: Convert to fraction form
    4,710.61/7,065.69 = 1,590.40/x
  3. Step 3: Cross multiply
    4,710.61x = 7,065.69 × 1,590.40
  4. Step 4: Simplify right side
    4,710.61x = 11,237,273.38
  5. Step 5: Solve for x
    x = 11,237,273.38/4,710.61
  6. Step 6: Final answer
    x = 2,385.52

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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.