Home / 5,488.36-7,573.95-3,130.51

Finding the Fourth Proportional to 5,488.36, 7,573.95 and 3,130.51

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Solution

The fourth proportional to 5,488.36, 7,573.95 and 3,130.51 is: 4,320.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.36 : 7,573.95 = 3,130.51 : x
  2. Step 2: Convert to fraction form
    5,488.36/7,573.95 = 3,130.51/x
  3. Step 3: Cross multiply
    5,488.36x = 7,573.95 × 3,130.51
  4. Step 4: Simplify right side
    5,488.36x = 23,710,326.21
  5. Step 5: Solve for x
    x = 23,710,326.21/5,488.36
  6. Step 6: Final answer
    x = 4,320.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.